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PR Summary

  1. Add functions for zeros of derivatives of J and Y functions
  2. Implement lookup tables for small integer values of nu and n (for Float64 outputs) for all four exported functions (Issue zeros of Bessel function of zeroeth order #7)
  3. Remove keyword argument order which is ignored by Roots.find_zero
  4. Add additional unit tests
  5. Update README.md
  6. Improve docstrings
  7. Fix Issue bessely_zero fails for abs(nu) < 0.1587 and n = 1 #21

Implement lookup tables (for Float64 outputs) for all four exported functions (fixes Issue JuliaMath#7)
Improve docstrings, remove unused keyword argument order
Add additional unit tests
Update README.md
Eliminate order keyword which is ignored by Roots.find_zero
Fix Issue JuliaMath#21
@DilumAluthge
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DilumAluthge commented Aug 17, 2025

@jlapeyre Would you be able to review this?

@DilumAluthge DilumAluthge requested a review from jlapeyre August 17, 2025 17:32
@jlapeyre
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Thanks! This looks great.

@jlapeyre jlapeyre merged commit b15874f into JuliaMath:master Sep 29, 2025
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@simonp0420 simonp0420 deleted the derivative_zeros_and_lookup_tables branch September 29, 2025 18:24
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3 participants